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Finding the Fourth Proportional to 3,808.02, 5,712.50 and 1,616.43

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Solution

The fourth proportional to 3,808.02, 5,712.50 and 1,616.43 is: 2,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.02 : 5,712.50 = 1,616.43 : x
  2. Step 2: Convert to fraction form
    3,808.02/5,712.50 = 1,616.43/x
  3. Step 3: Cross multiply
    3,808.02x = 5,712.50 × 1,616.43
  4. Step 4: Simplify right side
    3,808.02x = 9,233,856.38
  5. Step 5: Solve for x
    x = 9,233,856.38/3,808.02
  6. Step 6: Final answer
    x = 2,424.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.